Battery powered Compressor?

#21
IMO, the Peterson Strobostomp HD is the best tuner that you can get. it runs on a 9v battery and has a 9V out jack to run other 9V pedals so you could choose any compressor that runs on 9V. i run mine with either a cali76CB or an Empress MKII comp.
 
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#22
If you can find an OvniFX Smoothie then you've got an amazing compressor that runs on battery. I know for sure the first gen Smoothies run on battery. I've got both an old and new one, but I've never taken the back off the optical one to see if it takes a battery.
 
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#23
OldShark said:
If you go with battery-driven pedals, check the current they draw (if that is the right term, I'm no native speaker). For example, I have used several of the cheap TC Smorgasbord pedals with batteries, and it makes a huge difference for battery life time if they take around 100 mA (mostly the digital ones like Sky Surfer) or just around 10 mA (like the Forcefield compressor or the Cinders overdrive).
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M87 is LEDs OFF: 14 mA LEDs ON: 19 mA

I've used mine with a battery and it hardly ever needed replacing.
 
#24
JazznFunk said:
And yet I offer it up because 2 faulty ones in a row are enough for me to warn people about the product, when there are others which work flawlessly out of the box.
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Hey, MXR/Dunlop has been making that pedal for many years. Mine is from around 2010. I think they've been in production for at least 20 years now. JazznFunk, are you saying that because you had a bad experience, that all of their pedals are untrustworthy? Hardly. Dunlop has made a LOT of M87's. Obviously they would not be in production if 9 out of 10 of them didn't work out of the box. That is not the case.

How long ago did you own these pedals? What year did you buy them? Were they new in the box, or were they bought secondhand? Are you saying that if RickyT buys a new one in 2023, it's going to be defective? That is not a reasonable conclusion.

M87s have a long track record. There is not much at all here on Talkbass about people having problems with them. It's more posting about the pedal is very transparent and doesn't color the tone, so some players want a different sound. Some people don't like them. Others do. I think the M87 is a nice pedal, and I own a number of compressors. If you go read Scubaduba's compressor reviews, he has a good opinion of them as well. Thoughts on the MXR M87 I am offering it as an option for RickyT to consider, since he said he wanted a battery compressor pedal. It's a valid option.
 
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#25
Michael Vee said:
Hey, MXR/Dunlop has been making that pedal for many years. Mine is from around 2010. I think they've been in production for at least 20 years now. JazznFunk, are you saying that because you had a bad experience, that all of their pedals are untrustworthy? Hardly. Dunlop has made a LOT of M87's. Obviously they would not be in production if 9 out of 10 of them didn't work out of the box. That is not the case.
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Please refrain from putting words in my mouth. Never did I say that all of their pedals are untrustworthy. I merely said the MXR Compressor wasn't, based on my experience. There are also other threads on Reddit, etc that are an easy Google search away which reflect my same experience.

Bought 2 years ago... from Sweetwater. Defective. Exchanged it. 2nd one was defective. Both new in box. So please don't imply that anything I did (or didn't do) affected the pedals, or that my conclusion wasn't reasonable.
 
#26
Wasnex said:
A snap adapter will work, but you need to make sure and get the right polarity.

Some snap adapters are intended to connect a pedal power supply to the snap adapter in a pedal. The snap adapter will have the same polarity as a 9V battery, so the big terminal will be negative (-) (see right image).

In order to power a center negative barrel connector with a 9V battery, the small terminal on the snap adapter must be negative (-) to mate with the big negative terminal on the battery (see left image).

View attachment 5162246
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RichSnyder said:
I'd also suggest the BC-1X, but man, with the price of batteries now I'd get a one-spot and not have to worry about it. But if you're set on batteries, a battery snap will work. Just make sure it's center negative. A lot of the battery snaps are center positive and designed for Arduino applications.

This should work:

https://www.amazon.com/AUGIOTH-Battery-Converter-Center-Negative/dp/B091FFHZ71/
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Parzival said:
These are awesome
Pow_LTXL__16695.1676674822.jpg


or this makes any pedal battery powered

View attachment 5162214
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It’s worth noting that these days most pedals that are not designed to work with a battery are designed as such for a reason - usually bevause the current draw is so high it would drain most conventional batteries too quickly to be practical.

Sure, some may just omit the battery for size considerations or environmental reasons or whatever. But worth checking the specs and manufacturer’s advice before planning a board around an option like this.

If the concern is just setup time I can also vouch for the Rockboard unit.
 
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#28
callofcthulhu said:
It’s worth noting that these days most pedals that are not designed to work with a battery are designed as such for a reason - usually bevause the current draw is so high it would drain most conventional batteries too quickly to be practical.

Sure, some may just omit the battery for size considerations or environmental reasons or whatever. But worth checking the specs and manufacturer’s advice before planning a board around an option like this.

If the concern is just setup time I can also vouch for the Rockboard unit.
Click to expand...

A 9V alkaline is ~ 550 mAh. The Boss BC-1X that's been mentioned a few times is listed at a 90 mA current draw, so you can get maybe 6 hours out of an alkaline. If you want to test current draw of a pedal, this meter is useful:

mA meter – Truetone
 
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#29
“Start a new much smaller board” : the gateway drug. I used to use a Boss Cs-2 compressor. Great pedal.

The boss BCB 3 is a great little moddible pedal board. The Joyo battery power supply has served me well.
 
#30
HolmeBass said:
Many tuners, like the Boss and Sonic Research tuners, have courtesy Jack’s to power one other pedal.
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The Sonic Research tuner's courtesy 9V out jack only passes power through from the 9V in jack, not from the battery. Pretty sure the Boss is the same.

johnk_10 said:
IMO, the Peterson Strobostomp HD is the best tuner that you can get. it runs on a 9v battery and has a 9V out jack to run other 9V pedals so you could choose any compressor that runs on 9V. i run mine with either a cali76CB or an Empress MKII comp.
Click to expand...
See my comment above. Is the Peterson different, and actually does pass power out from its battery?
 
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#31
RichSnyder said:
A 9V alkaline is ~ 550 mAh. The Boss BC-1X that's been mentioned a few times is listed at a 90 mA current draw, so you can get maybe 6 hours out of an alkaline. If you want to test current draw of a pedal, this meter is useful:

mA meter – Truetone
Click to expand...


My guess is the actual time would be closer to 5hrs.

AFAIK battery ratings are based on how much current can be supplied continuously for 20hrs. So the expectation is 550/20 = 27.5mA can be supplied for 20 hours. If you pull the current out faster then you derate the run time. I believe you typically use a figure like 75%.

550/90 = 6.11hrs.

Now derate by 75%.

6.11 x 0.75 = 4.6hrs.
 
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#32
Wasnex said:
My guess is the actual time would be closer to 5hrs.

AFAIK battery ratings are based on how much current can be supplied continuously for 20hrs. So the expectation is 550/20 = 27.5mA can be supplied for 20 hours. If you pull the current out faster then you derate the run time. I believe you typically use a figure like 75%.

550/90 = 6.11hrs.

Now derate by 75%.

6.11 x 0.75 = 4.6hrs.
Click to expand...

Yeah, and the BC-1Xis digital, so when it hits its "battery no workie" point (that's a scientific term), it's going to die an ugly death instead of a little more heads up that you get from analog effects. *Usually* Too many options available to use batteries unless it's a rare one-off situation.
 
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#34
To follow up from earlier suggestions, I put this board together for a show later this week. The venue has a tight stage and too few outlets, and where I am placed is at a doorway to the stage through which there is much traffic. The YourVolts 5v to 9v (center negative) converter feeds the standard OneSpot daisy chain.

IMG_5118.jpeg
 
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